[jira] [Created] (KYLIN-2237) Ensure dimensions and measures of model don't have null column

["kangkaisen (JIRA)" <ji...@apache.org>]

kangkaisen created KYLIN-2237:
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             Summary: Ensure dimensions and measures of model don't have null column
                 Key: KYLIN-2237
                 URL: https://issues.apache.org/jira/browse/KYLIN-2237
             Project: Kylin
          Issue Type: Bug
          Components: Metadata
    Affects Versions: v1.5.4.1
            Reporter: kangkaisen
            Assignee: kangkaisen


currently, the dimensions or measures of model maybe have null column.
like this: 
{{u'dimensions': [{u'table': u'TEST.KYLIN_CAL_DT_KKS', u'columns': [u'CAL_DT', u'YEAR_BEG_DT', u'QTR_BEG_DT', None, u'DAY_OF_CAL_ID_KKS']}],}}

which could be produced by the following steps:

1. rename the hive column in model dimensions or measures.
2. reload the hive table.
3. don't remove the null column because of carelessness and update the model.
4 edit the model again and could not select the dimensions or measures.




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